A A Larionov et al 2001 Nanotechnology 12 536 doi:10.1088/0957-4484/12/4/333
A A Larionov, L E Fedichkin and K A Valiev
Show affiliationsA new NMR quantum computer scheme based on semiconductor nanostructures is discussed theoretically. We also propose using an infrared laser as a new independent instrument for manipulating qubits. Methods of single- and many-qubit gate realization are discussed. Resonant transfer of the electron to several quantum dots helps in implementing complex many-qubit gates. The energy spectrum of the spin-qubit system is obtained. This variant of a quantum computer is simpler to control and more coherent. The distance between qubits and hence the structural requirements are more achievable using modern nanotechnology.
03.67.Lx Quantum computation architectures and implementations
85.30.-z Semiconductor devices
Issue 4 (December 2001)
Received 7 July 2001, in final form 22 October 2001
Published 27 November 2001
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